Nearly a third of Nigerians don't have access to a basic supply of water. This is partly because of loopholes in a law

Access to clean water is a major issue in Nigeria. Getty Images

Water, sanitation and hygiene facilities are essential for health and welfare. Providing them is one of the core duties of the state.

In Nigeria, funding for these projects comes from the government’s budget and from development partners. UNICEF, the UK’s Foreign Commonwealth and Development Office, the European Union, and the US Agency for International Development all provide aid.